LU Decomposition Calculator

Given an $m\times n$ real or complex matrix $A$, this application calculates
an LU decomposition
of $A$ in the form \[ A = PLU, \] where $P$ is
a permutation matrix,
$L$ is a lower triangular matrix
with unit diagonal entries, and $U$ is an upper triangular matrix.

See Input Data for the description of how to enter
matrix or just click Example for a simple example.